Home / 148,933.30-223,399.95-142,021.30

Finding the Fourth Proportional to 148,933.30, 223,399.95 and 142,021.30

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Solution

The fourth proportional to 148,933.30, 223,399.95 and 142,021.30 is: 213,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933.30 : 223,399.95 = 142,021.30 : x
  2. Step 2: Convert to fraction form
    148,933.30/223,399.95 = 142,021.30/x
  3. Step 3: Cross multiply
    148,933.30x = 223,399.95 × 142,021.30
  4. Step 4: Simplify right side
    148,933.30x = 31,727,551,318.94
  5. Step 5: Solve for x
    x = 31,727,551,318.94/148,933.30
  6. Step 6: Final answer
    x = 213,031.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.